%D 2022 %O This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. %K Science & Technology, Life Sciences & Biomedicine, Immunology, Infectious Diseases %J JAIDS: Journal of Acquired Immune Deficiency Syndromes %L discovery10146195 %N 4 %P e42-e42 %I Lippincott, Williams & Wilkins %C United States %A Georg MN Behrens %A Karoline Aebi-Popp %A Abdel Babiker %V 89 %T Close to Zero, but Not Zero: What Is an Acceptable HIV Transmission Risk Through Breastfeeding?